2004

6.0

2014

8.5

2024

7.6

2001

6.9

2016

6.5

2009

4.5

2020

4.7

2010

5.4

2017

4.4

2017

6.8

1959

6.3

1923

8.5

1981

5.0

1964

7.0

1993

6.1

2006

6.4

1965

5.0

2005

7.0

2013

5.8